QwtDialSimpleNeedle(3)

QwtDialSimpleNeedle(3) 💅

okay bestie, welcome to the Library Functions Manual page for QwtDialSimpleNeedle(3) — yes, the manual name is literally “Library Functions Manual,” and we’re folding that in right here at the top like a cute little name tag 🎀. This is the Qwt User’s Guide glow-up of a needle for dial widgets, and it’s giving main character energy ✨.

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✨ NAME ✨

QwtDialSimpleNeedle — a needle for dial widgets. That’s it, that’s the vibe 🪡💖.

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🌸 SYNOPSIS 🌸

#include <qwt_dial_needle.h>

Inherits QwtDialNeedle.

So yeah, it’s part of the QwtDialNeedle family tree, no cap 🌈.

🎀 Public Types

enum Style { Arrow, Ray }

Style of the needle. Lowkey important, highkey aesthetic 💅.

💖 Public Member Functions

QwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor
    &mid=Qt::gray, const QColor &base=Qt::darkGray)
void setWidth (double width)
double width () const

These are the public moves, bestie — constructor, set width, get width. Periodt 🫶.

🌟 Public Member Functions inherited from QwtDialNeedle

• QwtDialNeedle () — Constructor.
• virtual ~QwtDialNeedle () — Destructor.
• virtual void setPalette (const QPalette &)
• const QPalette & palette () const
• virtual void draw (QPainter *, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const

All that inherited goodness is still part of the package, okay? 💜

🦋 Protected Member Functions

virtual void drawNeedle (QPainter *, double length,
    QPalette::ColorGroup) const override

Protected, override, and doing the actual needle-drawing duties. Iconic 🔥.

🧚 Protected Member Functions inherited from QwtDialNeedle

virtual void drawKnob (QPainter *, double width, const QBrush &, bool
    sunken) const

Draw the knob. That’s the inherited protected helper, and yes, it said “knob” 😭🎀.

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🍓 Detailed Description 🍓

A needle for dial widgets. Simple, iconic, very “I’m on a dial and I know it” 💅.

The following colors are used:

• QPalette::Mid — Pointer
• QPalette::Base — Knob

See also: QwtDial, QwtCompass.

Definition at line 81 of file qwt_dial_needle.h.

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🧚 Member Enumeration Documentation 🧚

enum QwtDialSimpleNeedle::Style

Style of the needle. We love a style moment ✨.

Enumerator

• Arrow — Arrow.
• Ray — A straight line from the center.

Definition at line 85 of file qwt_dial_needle.h.

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🎀 Constructor & Destructor Documentation 🎀

QwtDialSimpleNeedle::QwtDialSimpleNeedle

QwtDialSimpleNeedle::QwtDialSimpleNeedle (Style style, bool hasKnob = true,
    const QColor & mid = Qt::gray, const QColor & base = Qt::darkGray)

Constructor. The birth of a needle, honestly 🫶.

Parameters:

• style — Style
• hasKnob — With/Without knob
• mid — Middle color
• base — Base color

Definition at line 273 of file qwt_dial_needle.cpp.

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💅 Member Function Documentation 💅

drawNeedle

void QwtDialSimpleNeedle::drawNeedle (QPainter * painter, double length,
    QPalette::ColorGroup colorGroup) const [override],  [protected],
    [virtual]

Draw the needle. This is the protected virtual override moment, and it ate 🔥.

Parameters:

• painter — Painter
• length — Length of the needle
• colorGroup — Color group, used for painting

Implements QwtDialNeedle.

Definition at line 312 of file qwt_dial_needle.cpp.

setWidth

void QwtDialSimpleNeedle::setWidth (double width)

Set the width of the needle. Width queens, rise 🙈.

Parameters:

• width — Width

See also: width().

Definition at line 291 of file qwt_dial_needle.cpp.

width

double QwtDialSimpleNeedle::width () const

Returns the width of the needle. Very demure, very const, very “tell me my width” 💖.

See also: setWidth().

Definition at line 300 of file qwt_dial_needle.cpp.

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🌈 Author 🌈

Generated automatically by Doxygen for Qwt User's Guide from the source code.

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source/version vibes: Qwt User’s Guide 🫶 — date: the footer didn’t hand me one, so I’m not inventing it, bestie. No cap, no fake dates, just cute docs energy. Mwah 💖🎀